WO2018024297A1 - Dispositif d'étaiement de pont pour l'étaiement d'un segment de pont et procédé pour faire fonctionner des dispositifs d'étaiement de pont - Google Patents

Dispositif d'étaiement de pont pour l'étaiement d'un segment de pont et procédé pour faire fonctionner des dispositifs d'étaiement de pont Download PDF

Info

Publication number
WO2018024297A1
WO2018024297A1 PCT/DE2017/200072 DE2017200072W WO2018024297A1 WO 2018024297 A1 WO2018024297 A1 WO 2018024297A1 DE 2017200072 W DE2017200072 W DE 2017200072W WO 2018024297 A1 WO2018024297 A1 WO 2018024297A1
Authority
WO
WIPO (PCT)
Prior art keywords
support
bridge
cross member
modules
chassis
Prior art date
Application number
PCT/DE2017/200072
Other languages
German (de)
English (en)
Inventor
André MERTINASCHK
Reiner Saul
Original Assignee
Saul Ingenieure Gmbh
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Saul Ingenieure Gmbh filed Critical Saul Ingenieure Gmbh
Priority to EP17771659.4A priority Critical patent/EP3494259B1/fr
Publication of WO2018024297A1 publication Critical patent/WO2018024297A1/fr

Links

Classifications

    • E—FIXED CONSTRUCTIONS
    • E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
    • E01D—CONSTRUCTION OF BRIDGES, ELEVATED ROADWAYS OR VIADUCTS; ASSEMBLY OF BRIDGES
    • E01D22/00—Methods or apparatus for repairing or strengthening existing bridges ; Methods or apparatus for dismantling bridges

Definitions

  • Bridge support means for supporting a bridge segment and method for operating bridge support means
  • the invention relates to bridge support devices, to support modules for bridge support devices and to a method for operating a bridge support device.
  • a tempo ⁇ rary support of abbruchüber superstructure at several distributed in the bridge longitudinal direction support points.
  • the invention has for its object to provide a Brückenstütz- device for supporting a bridge segment, which allows a particularly simple disassembly or tearing of bridges.
  • a bridge support device with the features of claim 1.
  • Advantageous embodiments of the bridge support device according to the invention are specified in subclaims.
  • a significant advantage of Brückenstütz- inventive device is the fact that these can be moved below the Brü ⁇ ckensegments and thus can be repositioned in a very simple way, as soon as this is required under the Brü ⁇ ckenabbruchs. It is advantageous if the wheels are adjustable in height and are extendable in a Verfahr too in which the wheels lift one or more chassis of the bridge support means and allow a procedure on the building permit, and beyond in a support position are retractable, in which one or more Chassis support the bridge support on the construction support and the wheels are completely or - compared to the displacement - at least partially relieved.
  • the bridge support means preferably comprises two mutually connectable and separable from each other support modules, each comprising a chassis and one or more wheels and in the separated state are individually movable on the Baubehelf. Such a design allows in a simple way driving past bridge piers.
  • Each of the support modules preferably has in each case a cross ⁇ carrier which is provided with its end remote from the truck beam end with a support end of the cross member in each case the presence of the two supporting modules, in particular by means of a Bol ⁇ zentagen connectable.
  • Each of the two support modules preferably each has a bogie, which makes it possible to rotate at least one component of the respective support module, in particular a cross member of the respective support module, relative to the chassis.
  • Each of the support modules preferably has in each case a transverse sliding device, in particular in the form of a hydraulic transverse displacement cylinder, which makes it possible to displace the cross member relative to the chassis and / or bogie in the transverse beam longitudinal direction.
  • a transverse sliding device in particular in the form of a hydraulic transverse displacement cylinder, which makes it possible to displace the cross member relative to the chassis and / or bogie in the transverse beam longitudinal direction.
  • Each of the support modules each case preferably has a lifting ⁇ device, in particular a hydraulic cylinder comprehensive lifting device which allows a lifting of the cross member in the direction of a bridge segment thereabove for the purpose of supporting the bridge segment by means of the Querträ ⁇ gers and beyond lowering of the Transverse ⁇ carrier allows for the purpose of spatial separation of the cross member of the bridge segment.
  • a lifting ⁇ device in particular a hydraulic cylinder comprehensive lifting device which allows a lifting of the cross member in the direction of a bridge segment thereabove for the purpose of supporting the bridge segment by means of the Querträ ⁇ gers and beyond lowering of the Transverse ⁇ carrier allows for the purpose of spatial separation of the cross member of the bridge segment.
  • a Auflageab ⁇ cut (e.g., B in the form of a central Maubehelf) supports the cross member on the lifting device and is raised or lowered therefrom, wherein the position of Aufla ⁇ geabitess relative to at least one other section, in particular a pre-for supporting a bridge segment ⁇ designated section of the cross member, is adjustable.
  • the invention further relates to a support module for a bridge support device as described above.
  • a support module comprises a chassis and one or more wheels and is ver ⁇ mobile on a Baubehelf.
  • the support module is preferably provided with a different support module un ⁇ ter form a bridge support means, as has been described above, connectable.
  • the invention also relates to a method for operating a bridge support device. With regard to such a method, the invention provides that in the context of the method, the bridge support device is used in support phases for supporting a bridge segment and is moved in traverse phases on a below the bridge segment arranged construction support, in particular support or Vorschubge ⁇ setup, in the bridge longitudinal direction.
  • the bridge support device comprises two mutually connectable and separable support modules, each comprising a chassis and one or more wheels and in the separated state individually and in the closed state can be moved together on the construction trailer,
  • Each of the support modules each have a height-adjustable
  • Crossmember has, with its ent ⁇ removed from the chassis carrier end with a support end of the cross member of the other of the two support modules, in particular by means of a bolt connection, connectable,
  • Each of the two support modules each have a bogie up, which is a turning of the cross member of the respective
  • Support module allows relative to the chassis
  • each of the support modules in each case has a transverse displacement device, in particular in the form of a hydraulic transverse displacement cylinder,
  • the beam ends of the two cross beams are each moved away from each other by their transverse displacement means, respectively along the respective cross beam longitudinal direction, and a gap is formed between the beam ends,
  • the carrier ends After passing through the bridge pier and after the back ⁇ turning back of the cross member, the carrier ends are moved toward each other, each along the cross-member longitudinal direction, and
  • the support of a bridge segment is preferably such that there is no unfavorable relative movements of the bridge section to be supported.
  • the bridge section is preferably held by the bridge ⁇ support means in its original position.
  • the altitude of the to supporting bridge segment is detected preferably continuously metrologically before ⁇ and Festge ⁇ presented deviations (here also referred to as central points of support), preferably by automated extension or retraction of the lifting devices (eg hydraulic cylinders) and the bearing portions compensated.
  • the load of the bridge support device can also be continuously measured and detected. Softening can be compensated by automated extension and retraction of the lifting equipment (eg hydraulic cylinders) and the central support points.
  • the mounting of the bridge to supporting segment occurs before ⁇ preferably by alternately activating / deactivating one of the two bridge support means at different locations of the bridge segment.
  • Figure 1 shows an embodiment of an arrangement
  • FIG. 2 shows one of the support modules of the bridge support devices according to FIG. 1 in greater detail
  • FIG. 3 shows a lifting device of the support module according to FIG. 2 in greater detail
  • FIG. 4 shows one of the wheels of the support module according to FIG. 2 in more detail
  • FIG. 14-18 the passage of the bridge support means according to Figure 1 at a bridge pier of a laterdiretragenden bridge.
  • the same reference numerals are always used in the figures for identical or similar components.
  • FIG. 1 shows, in a top view, two bridge support devices 110 and 120 which can be moved on two construction aids in the form of stands 201 and 202 along a breakaway direction A.
  • the two stands 201 and 202 are arranged spatially below a bridge segment 300, which is supported by the two bridge support devices 110 and 120 or at least one of them, before this at a later
  • the left bridge support device 110 in FIG. 1 is formed by two support modules 111 and 112, which are connected to one another by means of a bolt connection 2.
  • the right in Figure 1 bridge support means 120 is formed by two support modules 121 and 122, which are also connected by a bolt connection 2 with each other.
  • the four support modules 111, 112, 121 and 122 are preferably identical in construction or preferably differ from one another only with regard to their interface configuration for producing the bolt connection 2.
  • the support module 122 includes a chassis 11 and four Ra ⁇ 10, which can be driven preferably each with its own drive and are adjustable in each case via a non-illustrated in Figure 1 for reasons of clarity ⁇ height adjustment means in height.
  • the support module 122 also has a cross member 1, which is connected with its carrier end la remote from the chassis 11 with a support end of the cross member 1 of the top in Figure 1 support module 121, via the already angepro ⁇ Chene bolt connection 2.
  • the support module 122 has a bogie 8.
  • the cross member 1 rests on this bogie 8 and can be rotated by means of a rotary cylinder 9 on the bogie 8.
  • the distance between the centers of the bogies 8 of the two support modules 121 and 122 is marked in FIG. 1 by the reference symbol S.
  • the support module 122 is furthermore equipped with a hydraulic transverse displacement cylinder 7 which forms a transverse displacement device for displacing the cross member 1 along the transverse beam longitudinal direction and thus relative to the chassis 11 and relative to the bogie 8.
  • the support module 122 is also equipped with balancing weights 5, the weight of the cross member 1 ausglei ⁇ chen.
  • FIG. 2 shows the support module 122 according to FIG. 1 in greater detail, in a three-dimensional representation obliquely from above. It can be seen that the wheels 10 are each equipped with a height adjustment device 10a, which may be formed, for example, by a height-adjustable cylinder or at least may comprise one.
  • the lifting device 6 can be formed for example by a hydraulic cylinder, with which the support portion 4, and thus the cross member 1 ⁇ can total lifting 300 relative to the chassis 11 and therefore relative to the scaffolding 202 of Figure 1 in the direction of the bridge segment located thereabove.
  • 3 shows the support section 4 of the cross member 1 and the lifting device 6 in more detail.
  • each of the wheels 10 of the support module 122 can preferably individually process antrei ⁇ ben and the height individually.
  • a drive 10b for example only one or two of the inner (ie, the closer to the other support module 121 of the bridge support 120 wheels) or only one or two of the outer (ie the further away from the other support module 121 of the bridge support 120 remote) wheels.
  • FIG. 5 shows the support module 122 according to FIGS. 1 to 4 in a three-dimensional representation obliquely from below. It can be seen a transverse displacement cylinder 7, with which the cross member 1 can be moved in the cross member longitudinal direction relative to the chassis 11 and relative to the bogie 8.
  • the side guides / lift-off 11a of the chassis 11 can be seen, which ensure a lateral guidance and prevent accidental lifting of the chassis on the scaffolding.
  • FIGS. 6 to 9 show an exemplary embodiment of the bolt connection 2 between the two support modules 121 and 122 of the bridge support device 120 according to FIG. 1 in greater detail in different states.
  • FIG. 6 shows a bolt 2a, which is mounted displaceably on the support module 122 and engages in the locking position shown in Figure 6 in a corresponding recess 2c in the support module 121.
  • the support module 122 preferably has a hydraulic cylinder 2b with which the bolt 2a can be retracted and extended. 7 shows the bolt 2a, after it has been raised by means of the hydraulic cylinder 2b along the direction of the arrow P and thus the recess 2c has blank in the support module 121 ⁇ ver. The bolt 2a thus no longer produces a lock.
  • FIG. 8 shows the two support modules 121 and 122 after their cross members 1 have been moved away from one another by means of the transverse displacement cylinders 7.
  • the support modules 121 and 122 now have a distance in the cross member longitudinal direction from each other.
  • FIG. 9 shows the two support modules 121 and 122 after their cross members 1 have been rotated away from one another by means of their rotary cylinders 9 and the bogies 8.
  • 9 is still longitudinal bolt can be moreover 2d and longitudinally disposed holes 2e recognize that at ⁇ the transverse support of the two support modules 121 and 122 to one another to define the closed state of the bolt connection 2 a predetermined location in the plane transverse to the cross member longitudinally.
  • the bolts 2 a for the production of the bolt connection 2 are provided only on the support module 122; the support module 121 has only recesses 2c.
  • the support modules 121 and 122 may be executed, for example iden ⁇ table. The same applies to the Stützmodu ⁇ le 111 and 112 by the bridge supporting means 110 according to FIG. 1
  • FIG. 10 shows the bridge support device 120 in a support phase, in which it supports the overlying bridge segment 300. It can also be seen that the Brü ⁇ cken spaincardi 120 immediately adjacent to the produced in a previous termination step escarpment 310th In the bridge support device 110, however, the cross member 1 are retracted downwards, so that the bridge support means 110 has no supporting or supporting function and thus along the demolition direction A - in the figure 10 so to the left - can be moved.
  • FIG. 11 shows the bridge support device 110 after it has been moved along the breakaway direction A and now has a larger distance D from the bridge support device 120 than at the time point according to FIG. 10.
  • FIG. 12 shows the two bridge support devices 110 and 120 after the cross member of the bridge support device 110 has been extended upward and supports the overlying bridge segment 300.
  • the bridge support device 120 is thus for supporting the overlying
  • FIG. 13 shows the two bridge support devices 110 and 120 after the bridge support device 120 has been moved up to the bridge support device 110.
  • the Bridge support means 110 and 120 preferably externally ⁇ tig provided with buffers 90.
  • the bridge support device 120 is extended again and serves to support the overlying bridge segment 300.
  • the bridge can now be torn off in the overhanging section 301, as a result of which the break-off edge shifts to the left; the newly entste ⁇ immediate termination edge is marked in the figure by the reference numeral 13 311th
  • the bridge support 110 can be retracted and moved along the breakaway direction A.
  • the height H (see FIG. 12) of the bridge segment 300 to be supported is preferably determined by means of one or more measuring sensors which are connected to one of the two bridge support devices. 110 and 120 or may be provided on both or which may be external measuring sensors, recorded by measurement, preferably measured continuously. Detected deviations from a predetermined desired height can be compensated by (preferably automated) extension and retraction of the hydraulic cylinder 6 and thus by a vertical adjustment of the central support sections 4 in a simple manner. It is also possible to measure the load on the bridge support devices 110 and 120 continuously and to compensate for any observed fluctuations or deviations from a predefined setpoint load by automated extension and retraction of the hydraulic cylinders 6 or the central bearing sections (support points) 4 ,
  • the storage of the bridging segment 300 to be supported is thus preferably combined by alternately activating / deactivating one of the two bridge support devices 110 and 120 at different locations of the bridge segment 300.
  • FIG. 14 shows the two bridge support devices 110 and 120 before they travel along a breakaway direction A at the
  • Bridge pier 400 are passed.
  • the support modules 111 and 112 and 121 and 122 still connected to each other by means of the bolt connection 2.
  • FIG. 15 shows the four support modules 111, 112, 121 and
  • FIG. 16 shows the passing of the support modules 111, 112, 121 and 122 along the breakaway direction A and along the longitudinal direction of the stands 201 and 202. It can be seen that the bridge pier 400 can be passed since the cross members 1 of FIG Support modules have been swung out of the range of Brückenpfei ⁇ lers.
  • Figure 17 shows the pivoting back of the cross member 1 of the support modules by 90 °; This is symbolized by arrows with the forcesszei ⁇ chen P.
  • FIG. 18 shows the two bridge support devices 110 and 120 after their support modules have again been connected to one another by means of the bolt connections 2.
  • the above-described exemplary bridge support ⁇ system preferably consists of two Brücken nuinrichtun- gene, which are displaceably arranged and self-propelled on the longitudinal beams of a support frame or feed frame.
  • the bridge support devices can move independently of each other on the scaffolding and can be activated alternately to support the bridge superstructure.
  • Each of the bridge support means is preferably equipped with hydraulically height-adjustable wheels 10, on which a rolling position change can take place on the scaffold. Due to the independent hydraulic height adjustment je ⁇ each wheel following functions are possible: aa) lowering the bridge support means on the Fahrge- 11 to support the superstructure (wheels relieved, support of the superstructure can be activated).
  • the bridge support devices preferably have a hydraulically height-controllable central support point 4 in the system axis of the main frame carrier.
  • the lifting device 6 eg. B. Hydrau ⁇ likzylinder
  • the central point of support 4 is preferably extended to the systematic support of the superstructure and controlled by means of level sensors.
  • the load on the bridge support devices is preferably monitored by continuous logging of the oil pressure.
  • An e- lectronic control unit controls the Pressenweg before ⁇ preferably such that a continuous vertical immobility ⁇ Liche storage of the superstructure is guaranteed independently of the load, the natural deformation of the bridge support means itself and the deformation of the framework.
  • the central bearing point 4 is in the transverse direction transverse preferably adjustable in the cross member 1 can be mounted to the bridge support devices depending on the bridge type to accommodate different superstructure widths and main carrier distances to Kings ⁇ nen.
  • the superstructure load is preferably introduced over two elastic bearing points 4 (per bridge support device) over a large area in the cross member of the bridge support means.
  • the cross member 1 in the construction ⁇ mechanism axis by opening the preferably hydraulically Betrie ⁇ enclosed bolt joint or bolt lock 2 divided advertising the.
  • the cross member 1 can be moved on the bogie 8 with the transverse displacement cylinder 7 to preferably about 20cm to separate or join the cross member.
  • Each cross member 1 can be rotated on the bogie 8 preferably by 90 ° about the central support point 4 until it is aligned parallel to the main support of the framework. In this position, the bridge support devices can be moved past the bridge pier.
  • each cross member 1 can in turn be rotated back by 90 ° until the bolt joint 2 can be reconnected in the building axis.
  • the cross member 1 are brought together and the bolt lock 2, the shock in the building axis is again closed rigid.

Abstract

L'invention concerne entre autres un dispositif d'étaiement de pont (110, 120) pour l'étaiement d'un segment de pont (300). Selon l'invention, le dispositif d'étaiement de pont (110, 120) comprend au moins une roue (10) qui permet un déplacement du dispositif d'étaiement de pont (110, 120) sur un ouvrage provisoire, en particulier une structure porteuse ou une poutre autolanceuse, placé en dessous du segment de pont (300).
PCT/DE2017/200072 2016-08-04 2017-07-25 Dispositif d'étaiement de pont pour l'étaiement d'un segment de pont et procédé pour faire fonctionner des dispositifs d'étaiement de pont WO2018024297A1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
EP17771659.4A EP3494259B1 (fr) 2016-08-04 2017-07-25 Dispositif d'étaiement de pont pour l'étaiement d'un segment de pont et procédé pour faire fonctionner des dispositifs d'étaiement de pont

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE102016214468.5 2016-08-04
DE102016214468.5A DE102016214468A1 (de) 2016-08-04 2016-08-04 Brückenstützeinrichtung zum Abstützen eines Brückensegments und Verfahren zum Betrieb von Brückenstützeinrichtungen

Publications (1)

Publication Number Publication Date
WO2018024297A1 true WO2018024297A1 (fr) 2018-02-08

Family

ID=59930153

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/DE2017/200072 WO2018024297A1 (fr) 2016-08-04 2017-07-25 Dispositif d'étaiement de pont pour l'étaiement d'un segment de pont et procédé pour faire fonctionner des dispositifs d'étaiement de pont

Country Status (3)

Country Link
EP (1) EP3494259B1 (fr)
DE (1) DE102016214468A1 (fr)
WO (1) WO2018024297A1 (fr)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN114247841A (zh) * 2021-11-10 2022-03-29 上海五钢设备工程有限公司 一种大型快锻机上横梁加固拆除方法

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110761172B (zh) * 2019-11-07 2021-06-29 上海振华重工(集团)股份有限公司 一种伸缩式栈桥系统及其控制方法
DE102021105872B3 (de) 2021-03-10 2022-05-05 Max Wild Gmbh Verfahren für den Abbruch von Brückenbauwerken

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1123356B (de) * 1958-06-27 1962-02-08 Maschf Augsburg Nuernberg Ag Verfahren und fahrbares Montagegeraet zum Auswechseln einer Bruecke
DE2423566A1 (de) * 1974-05-15 1975-11-27 Bauunternehmen Hein Gmbh Verfahren zum abbrechen von brueckenbauwerken und einrichtung zu seiner durchfuehrung
DE4232126C1 (de) * 1992-09-25 1994-04-21 Ekkehart Mitschke Verfahren und Anlage zur Brückendemontage und Brückenmontage
DE4421452A1 (de) * 1994-06-23 1996-01-04 Krupp Foerdertechnik Gmbh Transportsystem

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB541475A (en) * 1941-04-11 1941-11-27 Charles Edward Inglis Prof Improved crane suitable for erecting and launching bridges and similar girder constructions

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1123356B (de) * 1958-06-27 1962-02-08 Maschf Augsburg Nuernberg Ag Verfahren und fahrbares Montagegeraet zum Auswechseln einer Bruecke
DE2423566A1 (de) * 1974-05-15 1975-11-27 Bauunternehmen Hein Gmbh Verfahren zum abbrechen von brueckenbauwerken und einrichtung zu seiner durchfuehrung
DE4232126C1 (de) * 1992-09-25 1994-04-21 Ekkehart Mitschke Verfahren und Anlage zur Brückendemontage und Brückenmontage
DE4421452A1 (de) * 1994-06-23 1996-01-04 Krupp Foerdertechnik Gmbh Transportsystem

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN114247841A (zh) * 2021-11-10 2022-03-29 上海五钢设备工程有限公司 一种大型快锻机上横梁加固拆除方法

Also Published As

Publication number Publication date
EP3494259A1 (fr) 2019-06-12
EP3494259B1 (fr) 2020-09-23
DE102016214468A1 (de) 2018-02-08

Similar Documents

Publication Publication Date Title
WO2007056969A1 (fr) Grande grue mobile
DE3132339C2 (fr)
WO1999048793A2 (fr) Grue pivotante
DE3390026C2 (fr)
WO2018024297A1 (fr) Dispositif d'étaiement de pont pour l'étaiement d'un segment de pont et procédé pour faire fonctionner des dispositifs d'étaiement de pont
DD256890A5 (de) Anlage zum aufnehmen oder verlegen, sowie transportieren von gleisjochen
EP1414597B1 (fr) Dispositif et procede de changement automatique des cylindres de travail, des cylindres d'appui et des cylindres intermediaires d'un laminoir a feuillards equipe d'au moins une cage de laminoir
DE3420737A1 (de) Zusatzeinrichtung fuer hoehenverstellbare arbeitsgerueste
DE102015006117A1 (de) Verfahren zum Betrieb eines Krans und Kran
EP3318331B1 (fr) Installation de broyage dotée d'une machine à broyer
EP0144466A2 (fr) Dispositif pour l'inspection des parties inférieures des ponts
EP3440004B1 (fr) Grue mobile munie d'un logement de lest et procédé de lestage d'une grue mobile
EP2642065A2 (fr) Module de sous-structure pour une installation de forage terrestre mobile et procédé de montage et de démontage de tels modules de sous-structure
EP1572386B1 (fr) Laminoir comprenant des moyens pour le changement des cylindres
DE2933061C2 (de) Verfahren zum Umsetzen eines Gerüstträgers zur Herstellung von mehrfeldrigen Brückentragwerken aus Spannbeton
DE4007222C2 (fr)
EP3670427B1 (fr) Dispositif de levage encastré
DE3332227A1 (de) Brueckenuntersichtgeraet
DE102007049673A1 (de) Verfahren zum Bergen von Flugzeugen und Flugzeugbergeheber
DE102022110726A1 (de) Kranaufbocksystem
EP3255227B1 (fr) Construction d'aide au montage et procédé de changement d'un élément de structure porteuse
DE19501261C2 (de) Verfahren zum Wenden großflächiger, schwerer Lasten sowie Vorrichtung zur Durchführung des Verfahrens
DE2608343C2 (de) Hebebühne
DE2157669A1 (de) Verfahren und vorrichtung zum montieren eines bauwerkes, insbesondere eines bockkranes
DE3346921C1 (de) Vorrichtung zum Aus- und Einbau von auf Pfeilern angeordneten Brückenlagern oder Teilen davon

Legal Events

Date Code Title Description
121 Ep: the epo has been informed by wipo that ep was designated in this application

Ref document number: 17771659

Country of ref document: EP

Kind code of ref document: A1

ENP Entry into the national phase

Ref document number: 2017771659

Country of ref document: EP

Effective date: 20190304